(3GdWQGFa GdehVhYjI ddJGQjN Gh bjGS GdRef ai GdGQcjdhLjG (B((3Yde GdGKGQ(B) / s - (3HHhJjg, Ofis ([S.N] : (3GdeYgO GdYdei GdaQfSi ddOQGSGJ GdYQHjI , s, 1988)
Keywords: (3GdMVGQIs; (3GdJGQjNs; (3GdGKGQ GdaQYhfjIs; (3GdGKGQs